CSS 애니메이션 : 움직이는 눈알 (+ javascript)

애니메이션 만들기

javascript 애니메이션을 만들어 봅니다!

애니메이션 : 움직이는 눈알

눈이 마우스 커서를 따라 움직이는 효과입니다.

html 코드 보기

<div class="wrapper">
  <div class="me">
    <div class="eye"></div>
  </div>
  <div class="text">ABCDE</div>
</div>

css 코드 보기

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html, body {
  height: 100%;
  overflow: hidden;
}
.wrapper {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 369px;
  height: 547px;
  transform-style: preserve-3d;
  perspective: 600px;
}
.me {
  position: absolute;
  width: 369px;
  height: 547px;
  transform: translatez(80px) scale(0.8);
}
.me::before, .me::after {
  position: absolute;
  content: '';
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  border-radius: 10px;
  background: url(http://www.supah.it/dribbble/006/profile.png) no-repeat 0 0;
}

.me::after {
  height: 30px;
  top: auto;
  bottom: -15px;
  filter: blur(15px);
  background-size: 100% 30px;
  border-radius: 100px;
}
.eye, .eye::before {
  width: 70px;
  height: 70px;
  position: absolute;
  top: 175px;
  left: 119px;
  z-index: -1;
  background: url(http://www.supah.it/dribbble/006/eye.png);
}
.eye::before {
  content: '';
  top: -3px;
  left: 99px;
}
.text {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
  width: 390px;
  height: 595px;
  transform: translatez(150px) translatex(-11px) translatey(-26px) scale(0.55);
  border: 3px solid #fff;
  text-align: center;
  font-size: 35px;
  line-height: 1000px;
  color: #fff;
  opacity: 0.3;
  border-radius: 15px;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.36) 39%, rgba(255,255,255,0) 51%, #000 100%);
}

.text::after {
  content: 'eye moving';
  width: 100%;
  position: absolute;
  bottom: 22px;
  left: 0;
  z-index: 1;
  line-height: 1;
  font-size: 18px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 20px;
  text-indent: 20px;
}

javascript 코드 보기

const wrap = document.querySelector(".wrapper");
const eye = document.querySelector(".eye");
const speed = 1;
let x = 0;
let y = 0;
let followX = 0;
let followY = 0;

function animate() {
  x += (followX - x) * speed;
  y += (followY - y) * speed;
  eye.style.transform = `translate(${-x}px, ${-y}px)`;
  wrap.style.transform = `translate(-50%, -50%) rotateX(${-y}deg) rotateY(${-x}deg)`;
  requestAnimationFrame(animate);
}

window.addEventListener("mousemove", (e)=>{
  let mouseX = Math.max(-100, Math.min(100, window.innerWidth / 2 - e.clientX));
  let mouseY = Math.max(-100, Math.min(100, window.innerHeight / 2 - e.clientY));
  
  followX = (12 * mouseX) / 100;
  followY = (12 * mouseY) / 100;
});

window.addEventListener("keydown", (e)=>{
  switch(e.keyCode) {
    case 37:
      followX = 12;
      break;
    case 38:
      followY = 10;
      break;
    case 39:
      followX = -12;
      break;
    case 40:
      followY = -10;
      break;
    default: 
      break;
  }
});
animate();

See the Pen eye moving by hjkang306 (@hjkang306) on CodePen.